1 files changed, 44 insertions, 15 deletions

diff --git a/src/plugins/sample.c b/src/plugins/sample.c
index 8fba2f4df..41f9517b5 100644
--- a/src/plugins/sample.c
+++ b/src/plugins/sample.c
@@ -2,7 +2,7 @@
  * This file is part of Hercules.
  * http://herc.ws - http://github.com/HerculesWS/Hercules
  *
- * Copyright (C) 2013-2015  Hercules Dev Team
+ * Copyright (C) 2013-2020 Hercules Dev Team
  *
  * Hercules is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -23,12 +23,16 @@
 #include "common/hercules.h" /* Should always be the first Hercules file included! (if you don't make it first, you won't be able to use interfaces) */
 #include "common/memmgr.h"
 #include "common/mmo.h"
+#include "common/random.h"
 #include "common/socket.h"
 #include "common/strlib.h"
+#include "login/login.h"
+#include "login/lclif.p.h"
 #include "map/clif.h"
 #include "map/pc.h"
 #include "map/script.h"
 
+#include "plugins/HPMHooking.h"
 #include "common/HPMDataCheck.h" /* should always be the last Hercules file included! (if you don't make it last, it'll intentionally break compile time) */
 
 #include <stdio.h>
@@ -78,13 +82,13 @@ void sample_packet0f3(int fd) {
 		data->lastMSGPosition.map = sd->status.last_point.map;
 		data->lastMSGPosition.x = sd->status.last_point.x;
 		data->lastMSGPosition.y = sd->status.last_point.y;
-		data->someNumber = rand()%777;
+		data->someNumber = rnd()%777;
 
 		ShowInfo("Created Appended sockt->session[] data, %d %d %d %u\n",data->lastMSGPosition.map,data->lastMSGPosition.x,data->lastMSGPosition.y,data->someNumber);
 		addToSession(sockt->session[fd],data,0,true);
 	} else {
 		ShowInfo("Existent Appended sockt->session[] data, %d %d %d %u\n",data->lastMSGPosition.map,data->lastMSGPosition.x,data->lastMSGPosition.y,data->someNumber);
-		if( rand()%4 == 2 ) {
+		if (rnd()%4 == 2) {
 			ShowInfo("Removing Appended sockt->session[] data\n");
 			removeFromSession(sockt->session[fd],0);
 		}
@@ -97,13 +101,13 @@ void sample_packet0f3(int fd) {
 		data->lastMSGPosition.map = sd->status.last_point.map;
 		data->lastMSGPosition.x = sd->status.last_point.x;
 		data->lastMSGPosition.y = sd->status.last_point.y;
-		data->someNumber = rand()%777;
+		data->someNumber = rnd()%777;
 
 		ShowInfo("Created Appended map_session_data data, %d %d %d %u\n",data->lastMSGPosition.map,data->lastMSGPosition.x,data->lastMSGPosition.y,data->someNumber);
 		addToMSD(sd,data,0,true);
 	} else {
 		ShowInfo("Existent Appended map_session_data data, %d %d %d %u\n",data->lastMSGPosition.map,data->lastMSGPosition.x,data->lastMSGPosition.y,data->someNumber);
-		if( rand()%4 == 2 ) {
+		if (rnd()%4 == 2) {
 			ShowInfo("Removing Appended map_session_data data\n");
 			removeFromMSD(sd,0);
 		}
@@ -113,24 +117,40 @@ void sample_packet0f3(int fd) {
 }
 int my_pc_dropitem_storage;/* storage var */
 /* my custom prehook for pc_dropitem, checks if amount of item being dropped is higher than 1 and if so cap it to 1 and store the value of how much it was */
-int my_pc_dropitem_pre(struct map_session_data *sd,int *n,int *amount) {
+int my_pc_dropitem_pre(struct map_session_data **sd, int *n, int *amount)
+{
 	my_pc_dropitem_storage = 0;
-	if( *amount > 1 ) {
+	if (*amount > 1) {
 		my_pc_dropitem_storage = *amount;
 		*amount = 1;
 	}
 	return 0;
 }
 /* postHook receive retVal as the first param, allows posthook to act accordingly to whatever the original was going to return */
-int my_pc_dropitem_post(int retVal, struct map_session_data *sd,int *n,int *amount) {
-	if( retVal != 1 ) return retVal;/* we don't do anything if pc_dropitem didn't return 1 (success) */
-	if( my_pc_dropitem_storage ) {/* signs whether pre-hook did this */
+int my_pc_dropitem_post(int retVal, struct map_session_data *sd, int n, int amount)
+{
+	if (retVal != 1)
+		return retVal;/* we don't do anything if pc_dropitem didn't return 1 (success) */
+	if (my_pc_dropitem_storage) {/* signs whether pre-hook did this */
 		char output[99];
-		safesnprintf(output,99,"[ Warning ] you can only drop 1 item at a time, capped from %d to 1",my_pc_dropitem_storage);
+		safesnprintf(output, 99, "[ Warning ] you can only drop 1 item at a time, capped from %d to 1", my_pc_dropitem_storage);
 		clif->messagecolor_self(sd->fd, COLOR_RED, output);
 	}
 	return 1;
 }
+
+ /**
+  * pre-hook for lclif->p->parse_CA_CONNECT_INFO_CHANGED this is a private interface function and while in source it cannot be used
+  * outside of lclif.c since it's private, plugin can use it and hook to private interface functions if needed
+  * the pre-hook takes this currently unused packet and show a notice whenver a player sends it
+  **/
+enum parsefunc_rcode my_lclif_parse_CA_CONNECT_INFO_CHANGED_pre(int *fd, struct login_session_data **sd) __attribute__((nonnull(2)));
+enum parsefunc_rcode my_lclif_parse_CA_CONNECT_INFO_CHANGED_pre(int *fd, struct login_session_data **sd)
+{
+	ShowNotice("Player (AID: %d) has sent CA_CONNECT_INFO_CHANGED packet\n", (*sd)->account_id);
+	return PACKET_VALID;
+}
+
 /*
 * Key is the setting name in our example it's 'my_setting' while val is the value of it.
 * this way you can manage more than one setting in one function instead of define multiable ones
@@ -199,21 +219,30 @@ HPExport void plugin_init (void) {
 		/* in this sample we add a PreHook to pc->dropitem */
 		/* to identify whether the item being dropped is on amount higher than 1 */
 		/* if so, it stores the amount on a variable (my_pc_dropitem_storage) and changes the amount to 1 */
-		addHookPre("pc->dropitem",my_pc_dropitem_pre);
+		addHookPre(pc, dropitem, my_pc_dropitem_pre);
 
 		/* in this sample we add a PostHook to pc->dropitem */
 		/* if the original pc->dropitem was successful and the amount stored on my_pc_dropitem_storage is higher than 1, */
 		/* our posthook will display a message to the user about the cap */
 		/* - by checking whether it was successful (retVal value) it allows for the originals conditions to take place */
-		addHookPost("pc->dropitem",my_pc_dropitem_post);
+		addHookPost(pc, dropitem, my_pc_dropitem_post);
+	}
+
+	if (SERVER_TYPE == SERVER_TYPE_LOGIN) {
+		/**
+		 * In this example we add a pre-hook to lclif->p->parse_CA_CONNECT_INFO_CHANGED
+		 * It's similar to nomral hooks except it have it own hooking macros which ends with Priv
+		 **/
+		addHookPrePriv(lclif, parse_CA_CONNECT_INFO_CHANGED, my_lclif_parse_CA_CONNECT_INFO_CHANGED_pre);
 	}
 }
 /* triggered when server starts loading, before any server-specific data is set */
-HPExport void server_preinit (void) {
+HPExport void server_preinit(void)
+{
 	/* makes map server listen to mysetting:value in any "battleconf" file (including imported or custom ones) */
 	/* value is not limited to numbers, its passed to our plugins handler (parse_my_setting) as const char *,
 	 * however for battle config to be returned to our script engine we need it to be number (int) so keep use it as int only */
-	addBattleConf("my_setting",parse_my_setting,return_my_setting);
+	addBattleConf("my_setting", parse_my_setting, return_my_setting, false);
 }
 /* run when server is ready (online) */
 HPExport void server_online (void) {